Connecting structure for bridge abutment and prefabricated box girder of bridge

The invention relates to a connecting structure of a bridge abutment and a prefabricated box girder of a bridge, and relates to the technical field of bridge abutments. The device comprises a bridge abutment and a box girder which are used for being connected with a bridgehead roadbed, a mounting mechanism used for aligning the box girder and the bridge abutment is arranged on the bridge abutment, the mounting mechanism comprises a positioning assembly and a bearing assembly used for supporting the box girder, the bearing assembly is placed on the bridgehead roadbed through a mounting frame, and the positioning assembly and the bearing assembly are both connected with the mounting frame. The bearing assembly is aligned with the bridge abutment and connected with the positioning assembly through the rotating gear, the rotating gear is rotationally connected with the mounting frame, and the bearing assembly moves to drive the rotating gear to rotate and drive the positioning assembly to move in the direction cl